* {
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
}

body {
    background-color: white;
    font-size: 14px;
    /* color: #262626; */
    color: #4c4c4c;
    font-family: sans-serif;
}

.shadow {
    box-shadow: 3px 3px 8px 1px #7c7c7c;
}

.wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    padding: 1em 2em;
    display: flex;
    justify-content: center;
}

.navigation-menu {
    width: 20%;
    padding: 1em 1em 2em 1.5em;
    border-radius: 5px;
    margin-right: 2em;
    background-color: #282828;
}

.navigation-menu div.logo {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: .7em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.navigation-menu div.logo a {
    text-decoration: none;
    color: white;
}

.navigation-menu div.logo i {
    font-size: .7em;
}

.navigation-menu .other-information {
    font-size: 1.1em;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.navigation-menu .other-information div.other {
    margin-bottom: .5em;
    padding: .3em;
    border-bottom: 1px solid #f5f5f5;
    width: 70%;
    color: white;
}

.navigation-menu .other-information .open-book {
    position: relative;
}



/* .navigation-menu .other-information div:hover {
}

.navigation-menu .other-information a:hover {
    background-color: white;
    transition: background-color .2s ease-in;
    color: #282828;
    color: #282828;
} */

.navigation-menu .other-information a {
    padding: .4em 0;
    text-decoration: none;
    color: white;
}


.content {
    width: 80%;
    padding: 2em 2em 4em 2em;
    background-color: #f5f5f5;
    border-radius: 5px;
    min-height: 95vh;
}

.selected_block {
    background-color: #f5f5f5;
}

.selected_block a.block {
    color: #282828;
}

.transparent {
    opacity: 0;
    transition: opacity .5s ease;
}

.link-to-author {
    color: #4c4c4c;
}

.link-to-author-big {
    font-size: 2em;
    color: #4c4c4c;
}

.last-read {
    margin-bottom: 1em;
    font-weight: 100;
}

.read {
    text-decoration: none;
    color: #282828;
}